Sony WH-CH720N Help Manual page 53

2.
From the [Choose your output device] drop-down menu, select [Headphones (WH-CH720N Stereo)].
If [Headphones (WH-CH720N Stereo)] is not displayed on the drop-down menu, proceed to step 3.
3.
Click [Sound Control Panel], right-click on the [Playback] tab on the [Sound] screen, and check the [Show
Disconnected Devices] checkbox.
4.
Select [Connect] from the displayed menu.
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